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Copper demoiselle

Copper demoiselle

Calopteryx haemorrhoidalis

A species of Demoiselles, Also known as Calopteryx haemorroidalis

With iridescent wings that may span wider than its slender body, copper demoiselle is an aerial maestro, often spotted along sunlit streams or rivers. Its remarkable adult wings are tinted with a metallic sheen, which is not present in its less colorful juvenile stage. Males use their vivid wings to display for females in a shimmering dance, characteristic of their mating rituals. These insects are carnivorous throughout their lifecycle, consuming smaller insects in their larval stage while underwater, transitioning to airborne prey post-emergence from water.

General Info About Copper demoiselle
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Attributes of Copper demoiselle
Colors
Black
Green
Pink
Habitat
along river and stream; sunny larger water
Adult Food Sources
Flying insects, mosquitoes, flies, moths, mayflies
Larva Food Source
Aquatic invertebrates, larval insects, tadpoles, small fish, zooplankton
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
The Copper demoiselle is non-toxic and generally doesn't pose a risk to human health. No need for excessive worry.
Borer
Not reported
Pollinator
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
Not reported
Predatory
The Copper demoiselle typically preys on other arthropods and does not directly affect plants.
Biting animal or pet
Yes
Mouthparts Type
Chewing mouthparts
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Species Status of Copper demoiselle
It is native to parts of Europe and North Africa surrounding the western Mediterranean. It is common in much of its range.
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Distribution Area of Copper demoiselle
Europe, North Africa
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Life Cycle of Copper demoiselle
Egg After oviposition, an egg of the copper demoiselle develops within its aquatic environment. It is typically oval and adheres to substrate or vegetation near water.
Naiad The naiad of the copper demoiselle emerges, resembling a miniature adult sans wings. It is aquatic, voracious, and undergoes multiple molts, growing larger with each stage.
Adult Transitioning to an adult, the copper demoiselle possesses elongated, iridescent wings and a slender body. Now airborne, it focuses on mating and is often found near water.
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Adult Size of Copper demoiselle
4.5 - 5 cm
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Predators of Copper demoiselle Larvae
Frogs, toads, fish, water beetles, birds, other aquatic insect larvae
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Predators of Adult Copper demoiselle
Birds, spiders, frogs, robber flies, mantises
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Interesting Facts About Copper demoiselle
The copper demoiselle can modulate its wing color to communicate, a skill that's unusual among insects.
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Scientific Classification of Copper demoiselle
Tips for Finding Copper demoiselle
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Youth Habitat of Copper demoiselle
Freshwater Habitats
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Adult Habitat of Copper demoiselle
Forests and Woodlands, Freshwater Habitats
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How Can You Attract Copper demoiselle
Adult copper demoiselle are often attracted to live prey such as small insects. Therefore, using an insect trapping method might be effective for capturing them for study purposes.
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Habitat Preferences of Copper demoiselle Through Different Life Stages
The naiads of copper demoiselle are aquatic and predominantly found in slow-flowing streams or occasionally in still waters with plenty of vegetation. To inspect the naiad stage, search the submerged roots, rocks, and decaying plant material in these water bodies. Adult copper demoiselle are found in habitats near such waters, typically in riparian vegetation zones where they display territorial behavior. To spot adult copper demoiselle, explore the sunny, open areas along streams or rivers where they can be seen perching on leaves or branches, or engaging in flight to catch prey or find mates.
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When is the Best Time to Observe Copper demoiselle
The best time to find adult copper demoiselle is often on warm, sunny days when they are most active, typically mid-morning to early afternoon.
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What is the Best Weather to Observe Copper demoiselle
Ideal weather for finding copper demoiselle would be warm and sunny conditions with little to no wind, as these conditions are favorable for their flight activity.
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How and Where Can You Find Copper demoiselle at Different Life Stages
Egg Copper demoiselle eggs are usually laid on plants near or within water bodies. To find them, carefully inspect the stems and leaves of aquatic plants along the edges of streams or rivers.
Naiad Copper demoiselle naiads are aquatic and found in freshwater habitats. Look for them by gently turning over rocks in streams or examining aquatic vegetation in still waters.
Adult During emergence, copper demoiselle transform from naiads to adults. This usually occurs on vegetation near water bodies. Finding emerging copper demoiselle can be done by surveying such plants, especially during early morning hours.
Adult copper demoiselle are highly mobile and are often seen around water bodies, such as rivers or lakes with slow-moving water. Look for them in sunny spots where they may be perching on vegetation or in flight as they hunt for insects.
Are Copper demoiselle harmful?
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Beneficial Effects of Copper demoiselle
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Predators of Pests
Predators of Pests
Stage
Adults, Naiads
Purpose
Feed Itself
Diets
Mosquitoes, Flies, Aquatic Insects
Copper demoiselle has evolved sophisticated hunting strategies as both an aerial and aquatic predator. During its naiad stage, it stealthily stalks prey in freshwater environments, using ambush tactics to ensnare unsuspecting aquatic insects. As an adult, copper demoiselle captures airborne prey, displaying impressive aerial acrobatics. The voracious appetite serves its survival, ensuring a robust presence in its ecosystem.
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